Hitachi R-B330ERU4V Instruction Manual page 25

• Is there any failure at the socket? To check this, plug your refrigerator into a known
working socket.
If your refrigerator is operating noisily;
Normal Noises
Crackling (Ice Cracking) Noise:
• It is heard during the automatic defrosting process.
• Once the device has been cooled or heated (expansions in the device material).
Short Cracking Noise: It is heard when the thermostat turns on and off the com-
pressor.
Compressor Noise: It is the normal engine noise. This noise indicates that the
compressor is operating normally. As the compressor is being introduced, it might
operate a little bit more noisily for a short period of time.
Bubbling and burbling sound: This noise is emitted as the coolant fluid flows through
the pipes within the system.
Water flowing sound: This is the normal sound of water flowing into the evaporation
container during the defrosting process. This sound may be heard during the defrosting
process performed in the device.
Water blowing sound: It is the normal fan sound. This sound may be heard due to air
circulation in No Frost refrigerators as the system is operating normally.
If the edges of the refrigerator cabinet contacted by the door seal are hot;
• Especially in summer months (in hot weather), there might be heating on the surfaces
contacted by the seal on the refrigerator when the compressor is operating and this
is quite normal.
If there is humidification in the inner parts of your refrigerator;
• Has the food been properly packaged? Have the containers been well dried before
they were put into the refrigerator?
• Are the doors of the refrigerator opened very frequently? When the door is opened, the
humidity found in the air in the room enters the refrigerator. Especially if the humidity
rate in the room is too high, the more frequently the door is opened the faster will be
the humidification.
• It is normal to have water drops formed on the back wall following the automatic
defrosting process. (In Static Models)
If the doors are not being properly opened and closed:
• Are the food packages preventing the doors from being closed?
• Have the door compartments, shelves and drawers been properly placed?
• Have the door seals been defective or torn?
• Is your refrigerator standing on an even ground?
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